function Fig1_c()
filename = 'gbsweep_199.GBs';
pathname = 'raw data/';

[data, ~] = load_GBs(filename, pathname);

%%%%%%%%%%%%%%%%%%%%%%%
Fcolor='k';
Bcolor='w';
Fsize=18;
Bsize=14;

Osc=1.5*10^-3;
sen=20*10^-3;
%0.5V/1nA

cMap=getColor('RdBu');
%RdBu, Spectral,
%%%%%%%%%%%%%%%%%%%%%%%

f=figure('Position',[100,20,800,500],'name',filename)
f.Color=Bcolor;
data.map=data.map.*sen./Osc;
data.gate = data.gate - (-20e-3); %new Vb = original Vb - Vm
imagesc(data.gate,data.bias*1000,data.map);

ax = gca;
ax.XColor=Fcolor;
ax.YColor=Fcolor;

ax.YDir='normal';
ax.FontSize=Fsize;
ax.CLim=[0,5];

yl=ylabel('VBias (mV)');
xl=xlabel('Vb (V)');
yl.FontSize=Fsize;
xl.FontSize=Fsize;


colormap(cMap);
x_limit=xlim;
y_limit=ylim;
axis([x_limit(1),x_limit(2),y_limit(1),y_limit(2)]);

end